fixed problem removing cf zones?

pps_ws/src/d_fall_pps/GUI_Qt/CrazyFlyGUI/include/myGraphicsScene.h

@@ -45,7 +45,7 @@ public:
     void removeTable();
 
 public slots:
-    void removeCrazyFlyZone(int index);
+    void removeCrazyFlyZone(int cf_zone_index);
     void setSelectedCrazyFlyZone(int index);
     void changeModeTo(int next_mode);
 

pps_ws/src/d_fall_pps/GUI_Qt/CrazyFlyGUI/src/mainguiwindow.cpp

@@ -186,8 +186,8 @@ void MainGUIWindow::_init()
 void MainGUIWindow::doTabClosed(int tab_index)
 {
     QString name = ui->tabWidget->tabText(tab_index);
-    int cf_index = cf_linker->getCFZoneIndexFromName(name);
-    scene->removeCrazyFlyZone(cf_index);
+    int cf_zone_index = cf_linker->getCFZoneIndexFromName(name);
+    scene->removeCrazyFlyZone(cf_zone_index);
 }
 
 void MainGUIWindow::setTabIndex(int index)

pps_ws/src/d_fall_pps/GUI_Qt/CrazyFlyGUI/src/myGraphicsScene.cpp

@@ -321,13 +321,19 @@ QRectF myGraphicsScene::getRectFCrazyFlyZone(int index)
     return rect;
 }
 
-void myGraphicsScene::removeCrazyFlyZone(int index)
+void myGraphicsScene::removeCrazyFlyZone(int cf_zone_index)
 {
-    int n = crazyfly_zones[index]->getIndex();
-    this->removeItem(crazyfly_zones[index]);
-    crazyfly_zones.erase(crazyfly_zones.begin() + index);
-    qDebug("removed CFzone %d", index);
-    emit numCrazyFlyZonesChanged(n); // for tab managing
+    for(int i = 0; i < crazyfly_zones.size(); i++)
+    {
+        if(crazyfly_zones[i]->getIndex() == cf_zone_index)
+        {
+            this->removeItem(crazyfly_zones[i]);
+            crazyfly_zones.erase(crazyfly_zones.begin() + i);
+            qDebug("removed CFzone %d", cf_zone_index);
+            emit numCrazyFlyZonesChanged(cf_zone_index); // for tab managing
+            break;
+        }
+    }
 }
 
 void myGraphicsScene::removeTable()